1806 Draped Bust Half Dollars : E Over A in STATES

Heraldic Eagle Reverse

What this coin looks like (obverse, reverse, mint mark location, special features, etc.):This variety of the 1806 Draped Bust Half Dollar features a letter "E" stuck over an "A" in the word "STATES" on the reverse of the coin. Parts of the underlying "A" can be seen within the "E" as depicted by the arrows in the example image of the coin above.